The internals index says 'the `check` gates' ship; the lint chapter says the former check sub-verbs are unknown commands

The internals index says 'the check gates' ship; the lint chapter says the former check sub-verbs are unknown commands

A terminology drift (severity nitpick) found by the cross-document consistency pass.

• End A: .abcd/development/brief/05-internals/README.md:16 — "The check gates and the explorer pages ship"
• End B: .abcd/development/brief/04-surfaces/16-lint.md:44 — "The docs and site verbs' former check sub-verbs are unknown commands"

The 05-internals index row for 10-site.md says 'The check gates and the explorer pages ship', naming the gates by a check verb. The lint chapter says the docs and site verbs' former check sub-verbs are unknown commands, because the site gates are now the site target of abcd lint. The index still uses the retired name.

Evidence: .abcd/work/reviews/2026-10-26-consistency/00-summary.md, finding 604.